Finding the Fourth Proportional to 98,355,221.02, 135,730,396.14 and 54,302,305.06
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Solution
The fourth proportional to 98,355,221.02, 135,730,396.14 and 54,302,305.06 is: 74,937,286.51
Step by Step Solution
- Step 1: Write the proportion equation
98,355,221.02 : 135,730,396.14 = 54,302,305.06 : x - Step 2: Convert to fraction form
98,355,221.02/135,730,396.14 = 54,302,305.06/x - Step 3: Cross multiply
98,355,221.02x = 135,730,396.14 × 54,302,305.06 - Step 4: Simplify right side
98,355,221.02x = 7,370,473,377,108,926 - Step 5: Solve for x
x = 7,370,473,377,108,926/98,355,221.02 - Step 6: Final answer
x = 74,937,286.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.